Include arch and os

helper/useragent/useragent.go

@@ -14,6 +14,12 @@ var (
 	// rt is the runtime - variable for tests.
 	rt = runtime.Version()
 
+	// goos is the os - variable for tests.
+	goos = runtime.GOOS
+
+	// goarch is the architecture - variable for tests.
+	goarch = runtime.GOARCH
+
 	// versionFunc is the func that returns the current version. This is a
 	// function to take into account the different build processes and distinguish
 	// between enterprise and oss builds.
@@ -24,6 +30,6 @@ var (
 
 // String returns the consistent user-agent string for Packer.
 func String() string {
-	return fmt.Sprintf("Packer/%s (+%s; %s)",
-		versionFunc(), projectURL, rt)
+	return fmt.Sprintf("Packer/%s (+%s; %s; %s/%s)",
+		versionFunc(), projectURL, rt, goos, goarch)
 }

helper/useragent/useragent_test.go

@@ -7,11 +7,13 @@ import (
 func TestUserAgent(t *testing.T) {
 	projectURL = "https://packer-test.com"
 	rt = "go5.0"
+	goos = "linux"
+	goarch = "amd64"
 	versionFunc = func() string { return "1.2.3" }
 
 	act := String()
 
-	exp := "Packer/1.2.3 (+https://packer-test.com; go5.0)"
+	exp := "Packer/1.2.3 (+https://packer-test.com; go5.0; linux/amd64)"
 	if exp != act {
 		t.Errorf("expected %q to be %q", act, exp)
 	}